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4j81

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{{STRUCTURE_4j81| PDB=4j81 | SCENE= }}
 
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===Crystal structure of beta'-COP/Insig-1 complex===
 
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{{ABSTRACT_PUBMED_23481256}}
 
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==Function==
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==Crystal structure of beta'-COP/Insig-1 complex==
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[[http://www.uniprot.org/uniprot/COPB2_YEAST COPB2_YEAST]] The coatomer is a cytosolic protein complex that binds to dilysine motifs and reversibly associates with Golgi non-clathrin-coated vesicles, which further mediate biosynthetic protein transport from the ER, via the Golgi up to the trans Golgi network. Coatomer complex is required for budding from Golgi membranes, and is essential for the retrograde Golgi-to-ER transport of dilysine-tagged proteins.<ref>PMID:17101773</ref> [[http://www.uniprot.org/uniprot/INSI1_HUMAN INSI1_HUMAN]] Mediates feedback control of cholesterol synthesis by controlling SCAP and HMGCR. Functions by blocking the processing of sterol regulatory element-binding proteins (SREBPs). Capable of retaining the SCAP-SREBF2 complex in the ER thus preventing it from escorting SREBPs to the Golgi. Initiates the sterol-mediated ubiquitin-mediated endoplasmic reticulum-associated degradation (ERAD) of HMGCR via recruitment of the reductase to the ubiquitin ligase, AMFR/gp78. May play a role in growth and differentiation of tissues involved in metabolic control. May play a regulatory role during G0/G1 transition of cell growth.<ref>PMID:12202038</ref><ref>PMID:12535518</ref><ref>PMID:16168377</ref><ref>PMID:16399501</ref><ref>PMID:16606821</ref>
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<StructureSection load='4j81' size='340' side='right'caption='[[4j81]], [[Resolution|resolution]] 1.75&Aring;' scene=''>
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== Structural highlights ==
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==About this Structure==
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<table><tr><td colspan='2'>[[4j81]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4J81 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4J81 FirstGlance]. <br>
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[[4j81]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4J81 OCA].
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.745&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4j81 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4j81 OCA], [https://pdbe.org/4j81 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4j81 RCSB], [https://www.ebi.ac.uk/pdbsum/4j81 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4j81 ProSAT]</span></td></tr>
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==Reference==
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</table>
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<references group="xtra"/><references/>
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== Function ==
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[https://www.uniprot.org/uniprot/COPB2_YEAST COPB2_YEAST] The coatomer is a cytosolic protein complex that binds to dilysine motifs and reversibly associates with Golgi non-clathrin-coated vesicles, which further mediate biosynthetic protein transport from the ER, via the Golgi up to the trans Golgi network. Coatomer complex is required for budding from Golgi membranes, and is essential for the retrograde Golgi-to-ER transport of dilysine-tagged proteins.<ref>PMID:17101773</ref>
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Homo sapiens]]
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Goldberg, J.]]
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[[Category: Goldberg J]]
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[[Category: Ma, W.]]
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[[Category: Ma W]]
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[[Category: Beta propeller domain]]
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[[Category: Copi]]
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[[Category: Dilysine motif]]
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[[Category: Er retrieval]]
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[[Category: Protein transport]]
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Current revision

Crystal structure of beta'-COP/Insig-1 complex

PDB ID 4j81

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